Dr. Kendall Lee, a Neurosurgeon and the Director of the Neural Engineering Laboratory at Mayo Clinic in Rochester, MN, discusses his article appearing online ahead of print and in the August 2012 issue of Mayo Clinic Proceedings, which discloses a new discovery in the reaction of the brain during deep-brain-stimulation which may lead to novel treatments for neurological and psychological disorders. Available at: http://www.mayoclinicproceedings.org/article/S0025-6196(12)00552-6/fulltext